Yaskawa Sigma-5 Safety Precautions for SGDV Servo Amplifier - Manual (Page 22)

E-20
4 Inspection
4.1 SERVOPACK Inspection
For inspections and maintenance of the SERVOPACK, follow the inspection
procedures in the table below at least once every year.
4.2 SERVOPACK’s Parts Replacement Schedule
The following electric or electronic parts are subject to mechanical wear or
deterioration over time. To avoid failure, replace these parts at the frequency
indicated.
Refer to the standard replacement period in the following table, contact your
Yaskawa representative. After an examination of the part in question, we
will determine whether the parts should be replaced or not.
The parameters of any SERVOPACKs overhauled by Yaskawa are reset to
the factory settings before shipping. Be sure to confirm that the parameters
are properly set before starting operation.
Item Frequency Procedure Remedy
Exterior At least once
a year
Check for dust, dirt, and oil
on surfaces.
Clean with compressed air
or cloth.
Loose
screws
Check for loose terminal
block and connector screws.
Tighten any loose screws.
Part
Standard
Replacement
Period
Operating Conditions
Cooling Fan 4 to 5 years • Surrounding Air Temperature:
Annual average of 30 ° C
• Load Factor: 80% max.
• Operation Rate: 20 hours/day
max.
Smoothing Capacitor 7 to 8 years
Relays -
Fuses 10 years
Aluminum Electrolytic
Capacitor on Circuit Board
5 years